Biology, 12.05.2021 15:40 ruchierosanp1n3qw
Which of the following statements about aquatic ecosystems IS correct?
Rivers and streams are flowing salt water ecosystems
Marine ecosystems are standing freshwater ecosystems
Ponds and lakes are flowing-water ecosystems
Estuaries are made of both fresh and salt water, where rivers meet the sea.
Answers: 2
Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
Answers: 3
Biology, 22.06.2019 10:30
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
Biology, 22.06.2019 14:30
Alexa is preparing for a presentation by creating note cards identifying keywords that describe various features of each type of plate boundary. which words apply to all three of the convergent boundaries?
Answers: 2
Biology, 22.06.2019 14:30
The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales
Answers: 2
Which of the following statements about aquatic ecosystems IS correct?
Rivers and streams are flowi...
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